CA1106256A - Tobacco-smoke filters - Google Patents
Tobacco-smoke filtersInfo
- Publication number
- CA1106256A CA1106256A CA327,443A CA327443A CA1106256A CA 1106256 A CA1106256 A CA 1106256A CA 327443 A CA327443 A CA 327443A CA 1106256 A CA1106256 A CA 1106256A
- Authority
- CA
- Canada
- Prior art keywords
- component
- filter according
- porous
- fibrous
- granular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Filtering Materials (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1997778 | 1978-05-16 | ||
GB19977/78 | 1978-05-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1106256A true CA1106256A (en) | 1981-08-04 |
Family
ID=10138281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA327,443A Expired CA1106256A (en) | 1978-05-16 | 1979-05-11 | Tobacco-smoke filters |
Country Status (12)
Country | Link |
---|---|
US (1) | US4300577A (nl) |
JP (1) | JPS54151200A (nl) |
AT (1) | AT372248B (nl) |
BE (1) | BE876291A (nl) |
BR (1) | BR7903061A (nl) |
CA (1) | CA1106256A (nl) |
CH (1) | CH638961A5 (nl) |
DE (1) | DE2919842A1 (nl) |
DK (1) | DK152247C (nl) |
FI (1) | FI65897C (nl) |
NL (1) | NL190468C (nl) |
ZA (1) | ZA792187B (nl) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59166073A (ja) * | 1983-03-10 | 1984-09-19 | 東レ株式会社 | タバコフイルタ− |
JP2820981B2 (ja) * | 1989-11-20 | 1998-11-05 | ダイセル化学工業株式会社 | たばこ煙用フィルター |
DE4322966C2 (de) * | 1993-07-09 | 1995-10-26 | Rhodia Ag Rhone Poulenc | Aus Celluloseacetat geformte Gebilde und ihre Verwendung als Filtertow und Tabakrauchfilterelement |
US6119699A (en) * | 1997-12-19 | 2000-09-19 | Sung; Michael T. | Method and apparatus for the selective removal of specific components from smoke condensates |
US6615842B1 (en) | 1998-02-13 | 2003-09-09 | Cerami Consulting Corp. | Methods for removing nucleophilic toxins from tobacco smoke |
US6209547B1 (en) * | 1998-10-29 | 2001-04-03 | Philip Morris Incorporated | Cigarette filter |
US6911189B1 (en) | 1999-10-29 | 2005-06-28 | Philip Morris Usa Inc. | Filter for selective removal of a gaseous component |
US6481442B1 (en) | 2000-11-28 | 2002-11-19 | Lorillard Licensing Company, Llc | Smoking article including a filter for selectively removing carbonyls |
US6779529B2 (en) * | 2001-08-01 | 2004-08-24 | Brown & Williamson Tobacco Corporation | Cigarette filter |
US20030066539A1 (en) * | 2001-08-01 | 2003-04-10 | Figlar James N. | Cigarette Filter |
US20040231684A1 (en) * | 2003-05-20 | 2004-11-25 | Zawadzki Michael A. | Smoking article and smoking article filter |
US20050205102A1 (en) * | 2004-01-30 | 2005-09-22 | Philip Morris Usa Inc. | Method of making surface modified silica gel |
CN101232940B (zh) | 2005-08-10 | 2012-01-04 | 三菱化学株式会社 | 气体吸附剂 |
CN102794154B (zh) * | 2012-08-21 | 2014-09-10 | 上海烟草集团有限责任公司 | 一种降低卷烟烟气中氢化氰含量的氨基功能化材料的应用 |
CN104957764A (zh) * | 2015-05-29 | 2015-10-07 | 河南中烟工业有限责任公司 | 一种降低梗丝醛类成分释放量的方法 |
US10744313B2 (en) * | 2017-07-27 | 2020-08-18 | University Of Utah Research Foundation | Therapeutic delivery device |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2815760A (en) * | 1951-12-24 | 1957-12-10 | Schreus Hans Theo | Tobacco smoke filter |
US2739598A (en) * | 1953-05-04 | 1956-03-27 | R S Aries And Associates Inc | Filter for tobacco smoke |
AU417739B2 (en) * | 1966-12-16 | 1971-10-12 | W. D & ho WILLS (AUSTRALIA) LIMITED | Filter and filtering media for tobacco smoke |
GB1150192A (en) * | 1967-03-29 | 1969-04-30 | British American Tobacco Co | Improvements relating to Cigarette Filters. |
AT276194B (de) * | 1967-04-06 | 1969-11-10 | Burrus & Cie | Filtermittel für Tabakrauch |
US3716063A (en) * | 1970-09-25 | 1973-02-13 | Brown & Williamson Tobacco | Selective gas phase filter material |
US4156431A (en) * | 1971-07-08 | 1979-05-29 | Epstein Samuel S | Smoke processing |
JPS5635435B2 (nl) * | 1973-07-26 | 1981-08-17 | ||
GB1509197A (en) * | 1974-06-17 | 1978-05-04 | British American Tobacco Co | Tobacco-smoke filters |
-
1979
- 1979-05-07 ZA ZA792187A patent/ZA792187B/xx unknown
- 1979-05-11 CA CA327,443A patent/CA1106256A/en not_active Expired
- 1979-05-11 US US06/038,013 patent/US4300577A/en not_active Expired - Lifetime
- 1979-05-14 NL NLAANVRAGE7903773,A patent/NL190468C/nl not_active IP Right Cessation
- 1979-05-15 DK DK199379A patent/DK152247C/da not_active IP Right Cessation
- 1979-05-15 FI FI791538A patent/FI65897C/fi not_active IP Right Cessation
- 1979-05-15 CH CH451379A patent/CH638961A5/fr not_active IP Right Cessation
- 1979-05-16 DE DE19792919842 patent/DE2919842A1/de active Granted
- 1979-05-16 BE BE0/195191A patent/BE876291A/xx not_active IP Right Cessation
- 1979-05-16 BR BR7903061A patent/BR7903061A/pt unknown
- 1979-05-16 AT AT0362879A patent/AT372248B/de not_active IP Right Cessation
- 1979-05-16 JP JP6098879A patent/JPS54151200A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FI65897B (fi) | 1984-04-30 |
DK199379A (da) | 1979-11-17 |
DE2919842A1 (de) | 1979-11-22 |
ATA362879A (de) | 1983-02-15 |
US4300577A (en) | 1981-11-17 |
BE876291A (fr) | 1979-09-17 |
NL7903773A (nl) | 1979-11-20 |
JPS54151200A (en) | 1979-11-28 |
CH638961A5 (fr) | 1983-10-31 |
DK152247C (da) | 1988-08-08 |
FI791538A (fi) | 1979-11-17 |
DK152247B (da) | 1988-02-15 |
DE2919842C2 (nl) | 1992-01-30 |
NL190468B (nl) | 1993-10-18 |
BR7903061A (pt) | 1979-12-04 |
AT372248B (de) | 1983-09-12 |
ZA792187B (en) | 1980-05-28 |
FI65897C (fi) | 1984-08-10 |
NL190468C (nl) | 1994-03-16 |
JPH0142669B2 (nl) | 1989-09-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |